05-22-2014, 04:57 PM
Dumpster Dive Results
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09-21-2014, 04:26 AM
Nice haul Ed ( smilies )
What do the lengths of bar come from ? Rob
09-21-2014, 06:03 AM
Quote:Nice haul Ed ( smilies ) From the dumpster Rob, the title says it all :ROTFL: (I've left the code for when the smilies work again)
Hunting American dentists since 2015.
09-21-2014, 06:10 AM
09-21-2014, 07:47 AM
(This post was last modified: 09-21-2014, 07:50 AM by Hopefuldave.)
An immediately useful dive, for a change...
6 feet of 5/8 x 5" 6061 aluminium, with a pair of bolted on L_____I shaped standoffs, TIG welded beautifully, same material, 21" long. Got home, and was cursing having broken the top-box brackets on my Givi pannier Wingrack (on my "touring" bike), £40 the pair and out of stock both in the online shop and the importers, tripped over the aluminium I'd scrounged and thought "No, couldn't be, my luck's not that good!" but one of the standoffs is a perfect fit to the mounting points once I slip a washer in between each side, puts the top-box exactly where I want it! Eight holes drilled and counterbored, a few stainless bolts from just up the road, and I can carry my camping gear again, even the airbed and pump, and still have room for a bottle of single malt We have a healthy recycling / reuse policy and a Top Quality skip (classed as "mixed metals", so we almost have to pay to get things taken away!) at work, had I the transport and somewhere to put I could have had lots of electronic test gear (obsolete, "Beyond Economic Repair" etc.), through medical LASERs and optical components to one of the sturdiest workbenches I've seen in a long time - an Optical Table, 1" thick ground steel top tapped M6 on a 25mm grid, sat on 4" box section legs, Well Braced, too - at 6 x 4 ft it wasn't going in the bike panniers, though...
Rules are for the obedience of fools, and the guidance of wise men...
(Douglas Bader)
09-21-2014, 08:38 AM
09-21-2014, 09:22 AM
Ed,
You should be able to tell if it's the easy to machine 303 vs. a tougher 304 or 316 by taking a cut on it. If it breaks chips easily, 303. If it doesn't but leaves a beautiful finish, likely 316. If it doesn't break chips, looks rough and destroys your cutting tool, probably 304.
09-21-2014, 09:28 AM
(09-21-2014, 09:22 AM)PixMan Wrote: Ed, I've looked at the drawings for the shafts that we get machined for us and the drawings mostly specify "300 series SS" with a few of them specifying a specific SS. I think it's mostly 303. At least the shafts I've machined behave like your description of the 303. It machines fairly easily but with an OK finish. Certainly not beautiful but not too rough either. Thanks for the tips Ken. (smilie) Ed
12-12-2014, 03:34 PM
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